87042303 has 32 divisors (see below), whose sum is σ = 134366400. Its totient is φ = 55641600.

The previous prime is 87042301. The next prime is 87042317. The reversal of 87042303 is 30324078.

It is not a de Polignac number, because 87042303 - 2¹ = 87042301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87042301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66883 + ... + 68171.

It is an arithmetic number, because the mean of its divisors is an integer number (4198950).

Almost surely, 2^87042303 is an apocalyptic number.

87042303 is a deficient number, since it is larger than the sum of its proper divisors (47324097).

87042303 is a wasteful number, since it uses less digits than its factorization.

87042303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 1394 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 87042303 is about 9329.6464563241. The cubic root of 87042303 is about 443.1765691557.

The spelling of 87042303 in words is "eighty-seven million, forty-two thousand, three hundred three".